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Instruction Manual

DE:

 Bedienungsanleitung - de.startech.com

FR:

 Guide de l'utilisateur - fr.startech.com

ES:

 Guía del usuario - es.startech.com

IT:

 Guida per l'uso - it.startech.com

NL:

 Gebruiksaanwijzing - nl.startech.com

PT:

 Guia do usuário - pt.startech.com

Manual Revision: 11/03/2016

For the most up-to-date information, please visit: www.startech.com

Package contents

•  1 x USB to RS232 Adapter 

•  1 x Instruction Manual

ICUSB232V2

USB to RS232 DB9 Serial Adapter Cable - M/M

Pin 1

DCD

Pin 2

RXD

Pin 3

TXD

Pin 4

DTR

Pin 5

GND

Pin 6

DSR

Pin 7

RTS

Pin 8

CTS

Pin 9

RI

Pinout

Installation 

 

Windows

1.  In a web browser, navigate to 

www.startech.com/ICUSB232V2

.

2.  Click the 

Support

 tab.

3.  Under 

Driver(s)

, download the 

Prolific_PL2303.zip

 file.

4.  When the file is downloaded, right-click the file and extract the 

contents.

5.  Browse to the 

Windows

 folder and run the 

PL2303_Prolific_

DriverInstaller 

application. 

6.  Follow the on-screen instructions to complete the installation.

7.  Connect the USB to RS232 adapter to an available USB port. 

Mac OS

1.  In a web browser, navigate to 

www.startech.com/ICUSB232V2

.

2.  Click the 

Support

 tab.

3.  Under 

Driver(s)

, download the 

Prolific_PL2303.zip

 file.

4.  When the file is downloaded, right-click the file and extract 

the contents.

5.  Browse to the 

Mac

 folder, and select the appropriate folder for the 

version of OS that you’re running. 

6.  Run the 

PL2303_x.dmg 

application, and follow the on-screen 

instructions to complete the installation.

7.  Connect the USB to RS232 adapter to an available USB port. 

 

Verify the installation

 

Windows

1.  Navigate to 

Device Manager

.

2.  Expand the 

Ports (COM & LPT) 

section. 

3.  Confirm that 

Prolific USB-to-Serial Comm Port (COMx)

 appears in 

the list with no exclamation points or question marks.

Mac OS

1.  Navigate to the 

System Profiler

.

2.  Expand the 

Hardware

 section, and click 

USB

.

3.  Confirm that 

USB-Serial Controller D

 appears in the list.

1

5

6

9

System requirements

•  USB port

•  Any of the following operating systems:

•  Windows® 10 / 8.1 / 8 / 7

•  Windows Server® 2003 / 2008 R2 / 2012 / 2012 R2 / 2016

•  Mac OS® 9.x, 8.x, 10.6 to 10.12

•  Linux 2.4.31 to 4.4.x LTS versions only

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